InstAddr is fine, so sign up. You can register as usual.
When you log in, it spins around in the center of the screen. It can be used when it stops.
You can use it like this ↓. The response to key input is slow, probably because the keyboard I'm using has a bluetooth connection. Also, the commands are limited. There is nothing in / usr / local / bin (the directory exists). You will use the commands located in / usr / bin.